DC Generators - Interview Questions | Exam2Win

Take a timed mock test specifically for DC Generators.

1. In D.C. generators the pole shoes are fastened to the pole core by

A. rivets

B. counter sunk screws

C. brazing

D. welding

Explanation:

2. The commutator segments are connected to the armature conductors by means of

A. copper lugs

B. resistance wires

C. insulation pads

D. brazing

Explanation:

3. When two D.C. generators are running in parallel an equilizer bar is used

A. to increase the series flux

B. to increase the generated e.m.f.

C. to reduce the combined effect of ar-mature reaction of both the machines

D. so that the two identical machines will pass approximately equal currents to the load

Explanation:

4. The essential condition for parallel operation of two D.C. generators is that they have '

A. same kW rating

B. the same operation r.p.m.

C. the same drooping voltage charac-teristics

D. same percentage regulation

Explanation:

5. Shunt generators are most suited for stable parallel operation because of their

A. rising voltage characteristics

B. identical voltage characteristics

C. drooping voltage characteristics

D. linear voltage characteristics

Explanation: